Highlight game mode, solo mode or workout mode at the selection screen. Then, hold Right and press X. During game play Emi will appear without a hat.

Under Yuni's skirt

Select "Yuni" from hidden collection. During the game, you can see up her skirt.

Hidden songs

Select game or solo mode. Play three songs to unlock a hidden song. Next, play different songs in a different order, then play the secret song as the third song. Try again if this does not work the first time. The secret songs will be highlighted in green and will be marked "NEW!" Note: All of your songs must have a Grade B or higher. When you get all the songs you will have twenty hidden songs. The following are all the secret songs you should have:

1. Absolute

2. AM-3P 303 Bass Mix tkz remixed by U1

3. Can't Stop Fallin' in Love

4. Dive

5. Drop Out

6. DXY!

7. Do It Right

8. Genom Screams

9. Healing Vision

10. Holic

11. Leading Cyber

12. La Senorita Virtual

13. Let the Beat Hit Em' (Classic R&B Style)

14. Matsuri JAPAN

15. Orion . 78 (AMeuro-MIX)

16. Paranoia Rebirth

17. R3

18. Superstar

19. Trip Machine (Luv Mix)

20.Era (Nostal Mix)

Note: These songs are in alphabetical order and not in order that they are unlocked.